Chair arm



FIG. 1 is a right front perspective view of a chair arm showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a left front perspective view of a second embodiment of the chair arm, the other views being the mirror images of FIGS. 2-7.

The broken lines are for environmental purposes only and form no part of the design. 

The ornamental design for a chair arm, as shown and described. 